Cal Poly Humboldt study highlights river otters’ reliance on Arcata Marsh

A decades long study of river otters on the North Coast is coming to a close, offering new insight into how the animals live ...
insider.si.edu

Otters : ecology, behaviour, and conservation / Hans Kruuk

1. Otter ecology and its background -- 2. Pen pictures. Thirteen otters of the world : some natural history -- Europe -- Common or Eurasian otter, Lutra lutra -- North America -- River otter, or North ...
The Spokesman-Review

Cool critters: River otters – long may they slide

River otters really do have more fun. They jostle, belly-slide across ice and snow and toboggan down embankments into water. Splish splash. Few mammals are known to frolic as much as otters do, said ...
Mongabay

Giant river otter returns to Argentina after almost four decades

A family of giant river otters was released into the Iberá National Park in northeast Argentina on July 1. The endangered species, with no known breeding populations in Argentina over the past 40 ...